Principal Engineer – Software Development (C#/C/Python)

Location: Boulder, Colorado, United States. The role requires access to US export-controlled technology and products.

Annual base salary: $75,000–$232,000, plus restricted stock units and quarterly bonus payments.

Company

hirify.global develops semiconductor technologies and products used in systems around the world.

What you will do

• Develop, deploy, and maintain automated test software for low-volume, high-mix production environments using C, C#, Python, SQL, and related tools.
• Follow scalable automated test equipment architecture standards and maintain production test systems.
• Develop database solutions aligned with established schemas, interfaces, stored procedures, queries, and reporting standards.
• Control and integrate production test instruments, including environmental chambers, power supplies, oscilloscopes, frequency counters, phase noise analyzers, and spectrum analyzers.
• Partner with design, manufacturing, and quality teams to define requirements, validate test coverage, and support production needs.
• Maintain documentation for software, databases, procedures, and test system operation.

Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field with 10+ years of relevant experience, or a related master’s degree with 7–8 years of relevant experience.
• Proficiency in C, C#, Python, SQL, and related development tools.
• Working knowledge of electrical circuits, measurement fundamentals, signal analysis, engineering drawings, schematics, specifications, and test requirements.
• Experience controlling test instruments and industrial equipment through software.
• Must be a US citizen with no dual citizenship and eligible to access information and products regulated under EAR and ITAR.

Nice to have

• Experience developing automated test sequences for manufacturing or engineering environments.
• Experience with RF, timing, or frequency-control products such as oscillators, OCXOs, or atomic clocks.
• Knowledge of automation frameworks, data analysis tools, precision measurement systems, or long-term stability testing.
• Experience with LabVIEW and familiarity with Lean, Six Sigma, or continuous-improvement practices.

Culture & Benefits

• Medical, prescription drug, dental, and vision benefits from the first day of employment.
• Quarterly employee cash bonus plan, restricted stock grant, and employee stock purchase plan.
• 401(k) retirement savings plan, spending accounts, life insurance, long-term care, legal benefits, and employee assistance plan.
• Tuition reimbursement, vacation pay, sick pay, and 10 paid holidays.
• Travel requirement of 0%–25%; usual business hours and primarily indoor work.